Riordan,Rick. (2010). Percy Jackson & The Battle of the Labyrinth. Puffin books.
Cita Chicago (17th ed.)Riordan,Rick. Percy Jackson & The Battle of the Labyrinth. UK: Puffin books, 2010.
Cita MLA (9th ed.)Riordan,Rick. Percy Jackson & The Battle of the Labyrinth. Puffin books, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.